Research

Durability of concrete structures; theory and modeling of corrosion of steel in concrete; service life prediction of reinforced concrete structures; computational material science (continuum and ab initio approaches); non-destructive and model assisted testing; use of sustainable and recyclable materials in construction.

Application

Corrosion and its prevention in structures; investigation of performance of coatings using electrochemical impedance spectroscopy; nano-scale investigation of passivity of steel in highly alkaline environments using FIB/TEM and XPS; use of recycled aggregate concrete as a structural material.

Activities

• Vice President (Technical Division) of the Canadian Society for Civil Engineering (2009-2011)

• Chair of CSCE – Mechanics and Materials Division (2007-2009)

Journal Articles

A. Abbas, G. Fathifazl, O.B. Isgor, A.G. Razaqpur, B. Fournier, and S. Foo (2008), “Proposed method for determining the residual mortar content of recycled concrete aggregates,” Journal of ASTM International 5(1).

S.T. Craft, O.B. Isgor, G. Hadjisophocleous, and J. Mehaffey (2008), “Modelling the thermal response of gypsum board subjected to constant heart flux,” Journal of Fire and Materials (publication pending).

P. Ghods, O.B. Isgor, and M. Pour-Ghaz (2008), “Experimental verification and application of a practical corrosion model for uniformly depassivated reinforcing bars in concrete,” Journal of Materials and Structures (publication pending).

P. Ghods, O.B. Isgor, and M. Pour-Ghaz (2007), “A practical method for calculating the corrosion rate of uniformly depassivated reinforcing bars in concrete,” Journal of Materials and Corrosion 58(4): 265-272.

O.B. Isgor, and A.G. Razaqpur (2007), “Modelling Reinforcement Corrosion in Concrete Structures,” Materials and Structures 39(3): 259-265.

J. Ge, and O.B. Isgor (2007), “Effects of Tafel slope, exchange current density and electrode potential on the corrosion of steel in concrete,” Journal of Materials and Corrosion. 58(8): 573-582 (publication pending).

O.B. Isgor, and A.G. Razaqpur (2007), “Advance Modelling of Concrete Deterioration due to Reinforcement Corrosion,” Canadian Journal of Civil Engineering, submitted 33(6): 707-718.

Conference Publications

G. Fathifazl, A.G. Razaqpur, O.B. Isgor, A. Abbas, B. Fournier, and S. Foo, “The key to the design and production of high quality structural-grade recycled aggregate concrete,” Concrete Technology Forum: Focus on Sustainable Development, May 2008.

M. Pour-Ghaz, P. Ghods, and O.B. Isgor, “A novel approach for predicting the corrosion rate of steel in concrete,” International RILEM Workshop on Integral Service Life Prediction of Concrete Structures, Jun 2007.

P. Ghods, T. Miller, O.B. Isgor, and G. McRae, “The effect of synthetic pore solution on depassivation of steel,” International RILEM Workshop on Integral Service Life Prediction of Concrete Structures, Jun 2007.